Interactive effects of plants and earthworms on the physical stabilization of soil organic matter in aggregates
Background and Aims Plants and earthworms are key ecosystem engineers and important regulators of soil aggregation and C dynamics, yet research to date has mainly considered their impacts in isolation thereby ignoring potential interactions between these organisms. Methods We conducted a microcosm e...
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| creator | Fonte, Steven J. Quintero, D. Carolina Velásquez, Elena Lavelle, Patrick |
| description | Background and Aims Plants and earthworms are key ecosystem engineers and important regulators of soil aggregation and C dynamics, yet research to date has mainly considered their impacts in isolation thereby ignoring potential interactions between these organisms. Methods We conducted a microcosm experiment under greenhouse conditions to assess the impacts of plants (Brachiaria decumbens) and earthworms (Pontoscolex corethrurus) on soil structure and C stabilization. Aggregate stability was assessed by wet-sieving. Large macroaggregates (>2 mm) were also visually separated according to origin (e.g., earthworms, roots) and then further fractionated into particle size fractions to assess aggregate composition and C distribution. Results Earthworms increased aboveground biomass of B. decumbens by nearly 30 %. The presence of plant roots increased aggregate stability (mean weight diameter) by 2.6 %. While earthworms alone had no simple impacts on aggregation, a significant interaction revealed that earthworms increased aggregate stability in the presence of roots by 6 % when compared to microcosms without plants. Additionally, the presence of roots increased the C concentration of coarse particulage organic matter in earthworm casts, while earthworms increased C storage in microaggregates and the silt and clay fraction within root-derived aggregates. Conclusions These findings suggest that plants and earthworms are intimately linked in soil aggregate formation and that both organisms need be considered simultaneously for proper management of soils. |
| doi_str_mv | 10.1007/s11104-012-1199-2 |
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Carolina ; Velásquez, Elena ; Lavelle, Patrick</creator><creatorcontrib>Fonte, Steven J. ; Quintero, D. Carolina ; Velásquez, Elena ; Lavelle, Patrick</creatorcontrib><description>Background and Aims Plants and earthworms are key ecosystem engineers and important regulators of soil aggregation and C dynamics, yet research to date has mainly considered their impacts in isolation thereby ignoring potential interactions between these organisms. Methods We conducted a microcosm experiment under greenhouse conditions to assess the impacts of plants (Brachiaria decumbens) and earthworms (Pontoscolex corethrurus) on soil structure and C stabilization. Aggregate stability was assessed by wet-sieving. Large macroaggregates (>2 mm) were also visually separated according to origin (e.g., earthworms, roots) and then further fractionated into particle size fractions to assess aggregate composition and C distribution. Results Earthworms increased aboveground biomass of B. decumbens by nearly 30 %. The presence of plant roots increased aggregate stability (mean weight diameter) by 2.6 %. While earthworms alone had no simple impacts on aggregation, a significant interaction revealed that earthworms increased aggregate stability in the presence of roots by 6 % when compared to microcosms without plants. Additionally, the presence of roots increased the C concentration of coarse particulage organic matter in earthworm casts, while earthworms increased C storage in microaggregates and the silt and clay fraction within root-derived aggregates. Conclusions These findings suggest that plants and earthworms are intimately linked in soil aggregate formation and that both organisms need be considered simultaneously for proper management of soils.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1007/s11104-012-1199-2</identifier><identifier>CODEN: PLSOA2</identifier><language>eng</language><publisher>Dordrecht: Springer</publisher><subject>Aggregates ; Agricultural soils ; Agronomy. Soil science and plant productions ; Analysis ; Animal and plant ecology ; Animal, plant and microbial ecology ; Atmospheric carbon dioxide ; Biochemistry and biology ; Biological and medical sciences ; Biomedical and Life Sciences ; Brachiaria decumbens ; Chemical, physicochemical, biochemical and biological properties ; Clay soils ; Earthworms ; Ecology ; Ecosystems ; Flowers & plants ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Life Sciences ; Matter & antimatter ; Organic chemistry ; Organic matter ; Organic soils ; Particulate organic matter ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Plant Physiology ; Plant roots ; Plant Sciences ; Plants ; Pontoscolex corethrurus ; Regular Article ; Roots ; Soil aggregates ; Soil aggregation ; Soil ecology ; Soil management ; Soil organic matter ; Soil science ; Soil Science & Conservation ; Soil stabilization ; Soil structure ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Soils ; Synecology ; Tropical soils ; Worms ; Zoology (interactions between soil fauna and agricultural or forest soils)</subject><ispartof>Plant and soil, 2012-10, Vol.359 (1/2), p.205-214</ispartof><rights>Springer Science+Business Media B.V. 2012</rights><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2012 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-abcf8a7544149890a70c98840f9515a5c4ea6982ac3a0290a2cf4e9abc765dd93</citedby><cites>FETCH-LOGICAL-c506t-abcf8a7544149890a70c98840f9515a5c4ea6982ac3a0290a2cf4e9abc765dd93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24370277$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24370277$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27903,27904,41467,42536,51298,57996,58229</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26362495$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Fonte, Steven J.</creatorcontrib><creatorcontrib>Quintero, D. Carolina</creatorcontrib><creatorcontrib>Velásquez, Elena</creatorcontrib><creatorcontrib>Lavelle, Patrick</creatorcontrib><title>Interactive effects of plants and earthworms on the physical stabilization of soil organic matter in aggregates</title><title>Plant and soil</title><addtitle>Plant Soil</addtitle><description>Background and Aims Plants and earthworms are key ecosystem engineers and important regulators of soil aggregation and C dynamics, yet research to date has mainly considered their impacts in isolation thereby ignoring potential interactions between these organisms. Methods We conducted a microcosm experiment under greenhouse conditions to assess the impacts of plants (Brachiaria decumbens) and earthworms (Pontoscolex corethrurus) on soil structure and C stabilization. Aggregate stability was assessed by wet-sieving. Large macroaggregates (>2 mm) were also visually separated according to origin (e.g., earthworms, roots) and then further fractionated into particle size fractions to assess aggregate composition and C distribution. Results Earthworms increased aboveground biomass of B. decumbens by nearly 30 %. The presence of plant roots increased aggregate stability (mean weight diameter) by 2.6 %. While earthworms alone had no simple impacts on aggregation, a significant interaction revealed that earthworms increased aggregate stability in the presence of roots by 6 % when compared to microcosms without plants. Additionally, the presence of roots increased the C concentration of coarse particulage organic matter in earthworm casts, while earthworms increased C storage in microaggregates and the silt and clay fraction within root-derived aggregates. Conclusions These findings suggest that plants and earthworms are intimately linked in soil aggregate formation and that both organisms need be considered simultaneously for proper management of soils.</description><subject>Aggregates</subject><subject>Agricultural soils</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Analysis</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Atmospheric carbon dioxide</subject><subject>Biochemistry and biology</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Brachiaria decumbens</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>Clay soils</subject><subject>Earthworms</subject><subject>Ecology</subject><subject>Ecosystems</subject><subject>Flowers & plants</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Life Sciences</subject><subject>Matter & antimatter</subject><subject>Organic chemistry</subject><subject>Organic matter</subject><subject>Organic soils</subject><subject>Particulate organic matter</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Plant Physiology</subject><subject>Plant roots</subject><subject>Plant Sciences</subject><subject>Plants</subject><subject>Pontoscolex corethrurus</subject><subject>Regular Article</subject><subject>Roots</subject><subject>Soil aggregates</subject><subject>Soil aggregation</subject><subject>Soil ecology</subject><subject>Soil management</subject><subject>Soil organic matter</subject><subject>Soil science</subject><subject>Soil Science & Conservation</subject><subject>Soil stabilization</subject><subject>Soil structure</subject><subject>Soil-plant relationships. Soil fertility</subject><subject>Soil-plant relationships. Soil fertility. Fertilization. Amendments</subject><subject>Soils</subject><subject>Synecology</subject><subject>Tropical soils</subject><subject>Worms</subject><subject>Zoology (interactions between soil fauna and agricultural or forest soils)</subject><issn>0032-079X</issn><issn>1573-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1UUtrFTEYHcSC19of4EIIiOBmal4zmSxLqVoouLHQXfiam8zNZSa5JrmW-uv9hilWBMkij_Pg5HxN85bRc0ap-lQYY1S2lPGWMa1b_qLZsE6JtqOif9lsKBW8pUrfvWpel7Kny531myZdx-oy2Bp-OuK8d7YWkjw5TBDxBHFLHOS6e0h5RiCSunPksHsswcJESoX7MIVfUANCKCspTCTlEWKwZIaK3iREAuOY3QjVlTfNiYepuLOn_bS5_Xz1_fJre_Pty_XlxU1rO9rXFu6tH0B1UjKpB01BUauHQVKvO9ZBZ6WDXg8crADKEefWS6dRpvpuu9XitPm4-h5y-nF0pZo5FOsm_JZLx2KwLixACMmQ-v4f6j4dc8R0BiulamBCLazzlTXC5EyIPlWsDdfWzcGm6HzA9wuhek57RTkK2CqwOZWSnTeHHGbIj-hqlpmZdWYGZ2aWmZlF8-EpChTs12eINpQ_Qt6LnkvdIY-vvIJQHF3-O_L_zd-ton2pKT-bSoFxlRK_AW9msCM</recordid><startdate>20121001</startdate><enddate>20121001</enddate><creator>Fonte, Steven J.</creator><creator>Quintero, D. Carolina</creator><creator>Velásquez, Elena</creator><creator>Lavelle, Patrick</creator><general>Springer</general><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>20121001</creationdate><title>Interactive effects of plants and earthworms on the physical stabilization of soil organic matter in aggregates</title><author>Fonte, Steven J. ; Quintero, D. Carolina ; Velásquez, Elena ; Lavelle, Patrick</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-abcf8a7544149890a70c98840f9515a5c4ea6982ac3a0290a2cf4e9abc765dd93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Aggregates</topic><topic>Agricultural soils</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Analysis</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Atmospheric carbon dioxide</topic><topic>Biochemistry and biology</topic><topic>Biological and medical sciences</topic><topic>Biomedical and Life Sciences</topic><topic>Brachiaria decumbens</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>Clay soils</topic><topic>Earthworms</topic><topic>Ecology</topic><topic>Ecosystems</topic><topic>Flowers & plants</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. 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Carolina</au><au>Velásquez, Elena</au><au>Lavelle, Patrick</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interactive effects of plants and earthworms on the physical stabilization of soil organic matter in aggregates</atitle><jtitle>Plant and soil</jtitle><stitle>Plant Soil</stitle><date>2012-10-01</date><risdate>2012</risdate><volume>359</volume><issue>1/2</issue><spage>205</spage><epage>214</epage><pages>205-214</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><coden>PLSOA2</coden><abstract>Background and Aims Plants and earthworms are key ecosystem engineers and important regulators of soil aggregation and C dynamics, yet research to date has mainly considered their impacts in isolation thereby ignoring potential interactions between these organisms. Methods We conducted a microcosm experiment under greenhouse conditions to assess the impacts of plants (Brachiaria decumbens) and earthworms (Pontoscolex corethrurus) on soil structure and C stabilization. Aggregate stability was assessed by wet-sieving. Large macroaggregates (>2 mm) were also visually separated according to origin (e.g., earthworms, roots) and then further fractionated into particle size fractions to assess aggregate composition and C distribution. Results Earthworms increased aboveground biomass of B. decumbens by nearly 30 %. The presence of plant roots increased aggregate stability (mean weight diameter) by 2.6 %. While earthworms alone had no simple impacts on aggregation, a significant interaction revealed that earthworms increased aggregate stability in the presence of roots by 6 % when compared to microcosms without plants. Additionally, the presence of roots increased the C concentration of coarse particulage organic matter in earthworm casts, while earthworms increased C storage in microaggregates and the silt and clay fraction within root-derived aggregates. Conclusions These findings suggest that plants and earthworms are intimately linked in soil aggregate formation and that both organisms need be considered simultaneously for proper management of soils.</abstract><cop>Dordrecht</cop><pub>Springer</pub><doi>10.1007/s11104-012-1199-2</doi><tpages>10</tpages></addata></record> |
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| subjects | Aggregates Agricultural soils Agronomy. Soil science and plant productions Analysis Animal and plant ecology Animal, plant and microbial ecology Atmospheric carbon dioxide Biochemistry and biology Biological and medical sciences Biomedical and Life Sciences Brachiaria decumbens Chemical, physicochemical, biochemical and biological properties Clay soils Earthworms Ecology Ecosystems Flowers & plants Fundamental and applied biological sciences. Psychology General agronomy. Plant production Life Sciences Matter & antimatter Organic chemistry Organic matter Organic soils Particulate organic matter Physics, chemistry, biochemistry and biology of agricultural and forest soils Plant Physiology Plant roots Plant Sciences Plants Pontoscolex corethrurus Regular Article Roots Soil aggregates Soil aggregation Soil ecology Soil management Soil organic matter Soil science Soil Science & Conservation Soil stabilization Soil structure Soil-plant relationships. Soil fertility Soil-plant relationships. Soil fertility. Fertilization. Amendments Soils Synecology Tropical soils Worms Zoology (interactions between soil fauna and agricultural or forest soils) |
| title | Interactive effects of plants and earthworms on the physical stabilization of soil organic matter in aggregates |
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